UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Prcn3Gy6d41EsgrSvbXNhh8iQ2SB+OVBXXDdARxxMtI=' 
WHERE 
  key_id = '15ab8c12be669c8f96df033e15b43e37f40ad47d54caffeebc95f2a8a1b10639' 
  AND (
    token = 'Prcn3Gy6d41EsgrSvbXNhh8iQ2SB+OVBXXDdARxxMtI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )