UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zWWw+wbxNQMKTqe4NTfCSamXWm6ziWMcnLk1vtU2HaM=' 
WHERE 
  key_id = '83b061a41377d0fb8f3cccbf255c3e5decea227620d77f56c8f7c40f78944aa7' 
  AND (
    token = 'zWWw+wbxNQMKTqe4NTfCSamXWm6ziWMcnLk1vtU2HaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )