Lookup option on 5 digits isnt impossible, you could take those last 5 digits at time of entry, hash them and store them in a separate field. Then do the same and use that field for lookup. Technically no longer plain text
PCI is a guideline, there is so much vaguery in the wording of thing that there are so many different ways to implement it and half of them probably arent that secure, believe me I've seen some really crazy crap implemented in the name of PCI
Previously payments were attempted overnight, so likely yes. If the payment is taken tonight and it ships monday I could potentially have it in hand by tuesday.
PCI is a guideline, there is so much vaguery in the wording of thing that there are so many different ways to implement it and half of them probably arent that secure, believe me I've seen some really crazy crap implemented in the name of PCI
Previously payments were attempted overnight, so likely yes. If the payment is taken tonight and it ships monday I could potentially have it in hand by tuesday.