UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's6v+iyIz9MxuZ4dRfe89UCIuWYMEEOiyfVE9xRBFWH4=' 
WHERE 
  key_id = '77da915bda9d0975c3f07c17a9faf0dfdb3faca1b235677ab557a62e9bc69077' 
  AND (
    token = 's6v+iyIz9MxuZ4dRfe89UCIuWYMEEOiyfVE9xRBFWH4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033