UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iwBMotWNGyJjCFWpYdnlEu8g+YeOJsdA09OSESHl2y4=' 
WHERE 
  key_id = '4df534dc6d3cd2273bfa8325cc11345692fb663b5d8f9401f639a75afa739850' 
  AND (
    token = 'iwBMotWNGyJjCFWpYdnlEu8g+YeOJsdA09OSESHl2y4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027