UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q4r6kXx95MTDRNGwR1tP2p1dA0ampDIZNnpNV35gbDY=' 
WHERE 
  key_id = '84dcfef6fece21aa9ca39611b4cb25791532ed771695b0d913cd8401e26e1aa7' 
  AND (
    token = 'Q4r6kXx95MTDRNGwR1tP2p1dA0ampDIZNnpNV35gbDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )