UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y3yKQ0xW/Q37baGhILB5MT1CwhwuwX8xNXM0aNOOyNs=' 
WHERE 
  key_id = 'a8438f9b5c5a518e41f91bdf25a6a8ff7c91d1eb004cac29e1372a45b3f2233a' 
  AND (
    token = 'y3yKQ0xW/Q37baGhILB5MT1CwhwuwX8xNXM0aNOOyNs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024