UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U+Moywy84hZxn48W4+LCxpr8KvR0uPKGaeZFCAtDEwo=' 
WHERE 
  key_id = 'd2b82a2ce95585f3decc119f212d4cb99f6bd240fc7ee5914b5d3083f06ff4a1' 
  AND (
    token = 'U+Moywy84hZxn48W4+LCxpr8KvR0uPKGaeZFCAtDEwo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00048