UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6gUHJTSy2wT0gULW92oQqfAqeDxu7o8l3N42LOFQQVE=' 
WHERE 
  key_id = 'a5ba51034baae76a6765b4bd9d1a27f2a881792c22226d3d6f588e3f30704259' 
  AND (
    token = '6gUHJTSy2wT0gULW92oQqfAqeDxu7o8l3N42LOFQQVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )