INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921edea35241433b520e54b24d94d3f19ea759bbeea135a752657dd01065bb42', 
    'EXdRE0kYbyu/PprrkagffNV4dN13HSvzhO3nS66mTGU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)