UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UmU1GfYDxRqu5Sq34lH3sSB8O2Esn74ELnAkQgGbyBg=' 
WHERE 
  key_id = 'c81f75148839f3188ee840350dcbeb7ede6116eeb2714228592cb084c5f477b6' 
  AND (
    token = 'UmU1GfYDxRqu5Sq34lH3sSB8O2Esn74ELnAkQgGbyBg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )