UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdjMlCAwcNGJWLxKVPqFVabX4u6i/IeFcCiqDE2QKqQ=' 
WHERE 
  key_id = '3cd0bf9f6ab139c7356e985a79f2af202d2c5e9e997dc4bb191ec91c4750d95d' 
  AND (
    token = 'MdjMlCAwcNGJWLxKVPqFVabX4u6i/IeFcCiqDE2QKqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )