UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U0ER/2ewafV/O1HgvzN8YZXWaqWhPMbgyqcRCbDJDmY=' 
WHERE 
  key_id = '817c5b48bcf4ca17e7a80a9cd02cb3df98ce63e1591b2b1c6b0b0b11e8abf785' 
  AND (
    token = 'U0ER/2ewafV/O1HgvzN8YZXWaqWhPMbgyqcRCbDJDmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )