UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'gEuHGFyICHePi55kHTr/+2kisR4CDwrHSwRDDGaqL5Y=' 
WHERE 
  key_id = 'a6887e4663b18802aec66a4872187bf7d7ada5018672056aa68d9656773503a5' 
  AND (
    token = 'gEuHGFyICHePi55kHTr/+2kisR4CDwrHSwRDDGaqL5Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )