UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ljJ3amOyw55W8AhcxRd1DwrxTqDULX3DuI4NK22QOYs=' 
WHERE 
  key_id = '3aac43aa91a3c2486879b5e88e0c1ce71ab56ba733b0f03ebb299faa847c2039' 
  AND (
    token = 'ljJ3amOyw55W8AhcxRd1DwrxTqDULX3DuI4NK22QOYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )