INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7521736ef3ce6b96df17de609f672373f372220319383df07d5053780a7bea4f', 
    'qLyM268N8oKBPBe0eOPIBHlS0ZEV7qitF53B9Ph/i0o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)