UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P3j/7nnBE28R6D+ZpKNtd5wPNoBUUQlKZ0CTTRVJRpo=' 
WHERE 
  key_id = '50cc288f6c13e8a51960290bf829c07d6d54e7de0713ccbdce48d4121e82c596' 
  AND (
    token = 'P3j/7nnBE28R6D+ZpKNtd5wPNoBUUQlKZ0CTTRVJRpo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )