UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4D6Dep9lROmPqhsBx7xD606VrKIgcNDsdGDVPKpaHhg=' 
WHERE 
  key_id = 'a2238252e09dc2d1d06caa6e50c58e73afa245e11154c138f1ecd6023171bc2c' 
  AND (
    token = '4D6Dep9lROmPqhsBx7xD606VrKIgcNDsdGDVPKpaHhg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )