UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UBeLfXCzgd/jBQNM/gdVH+yAw7vntmF4RcB40sTliRI=' 
WHERE 
  key_id = 'a81026a1de15d55a92eddf14abb1451c60345295a9957c02e5d71f33291b2e4c' 
  AND (
    token = 'UBeLfXCzgd/jBQNM/gdVH+yAw7vntmF4RcB40sTliRI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00017