UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P6Q6XzeljO3+VIjJY6/WSe3zCn+1oCSPAJTRTLok6G0=' 
WHERE 
  key_id = '87a45d989dc2a80dee6a93c361cd685c8ec9efabfc81055ef2d15f43530b00e8' 
  AND (
    token = 'P6Q6XzeljO3+VIjJY6/WSe3zCn+1oCSPAJTRTLok6G0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )